(v) Any default by Lessee under the Lease shall constitute a default under the
chartering arrangements;

     (vi) Lessee agrees that the Aircraft shall not be used by any governmental entity, any tax
exempt entity or any person or entity that would cause any Loss of, or otherwise adversely affect
any of, Lessor’s Tax Benefits in the Aircraft; and

     (vii) Lessee shall not allow the use of the Aircraft in violation of the Lease.

     Notwithstanding anything contained in this Lease to the contrary, so long as Lessee is not in
default hereunder, Lessee may replace parts and the engines on the Aircraft in accordance with its
customary arrangements with Turbomeca, its other maintenance service providers or its customary
business practices so long as (i) the replacement part or engine shall be the same make and model
and have the same or better fair market value as the part or engine being replaced (assuming such
engine or part had been maintained in accordance with the provisions hereof and has not experienced
any damage or other casualty event) (a “Replacement Engine” or a “Replacement Part”, as the case
may be), (ii) with respect to any Replacement Engine, Lessor shall acquire title to such
Replacement Engine which may occur pursuant to a limited assignment of such customary arrangements
with Turbomeca and Lessee shall have made all appropriate filings to protect Lessor’s interest in
the replacement engines with the FAA, the UCC and if the Cape Town Convention on International
Interests in Mobile Equipment (the “Convention”) and the Protocol thereto On Matters Specific To
Aircraft Equipment (the “Protocol”) concluded in Cape Town in November 2001 (the Convention and